296 



INDEX 



Boiling points, table of, 61 

 Bones, oroken, 242 



long 239 

 Botany, 2 

 Brain, 245 

 Brass, 133 

 Breast bone, "239 

 Breathing, 270 



organs of, 268 



Breeding, plant and animal, 229 

 Bronchi, 269 

 Bronze, 133 

 Bunsen burner, 77 

 Buoyancy, 42 

 Bureau of standards, 36 

 Burning glass, 152 



Calcium light, 73 

 Calorie, 69 

 Camera, 153 

 Capillaries, 260 

 Capillarity, 114 



absorption by, 114 

 Carbohydrates, 214, 250 

 Carbon dioxide, nature of, 76 



preparing, 75 



test for, 76, 77 



use of, 76 

 Carpels, 216 

 Cartilage, 240 

 Casting, 56 

 Catalyzers, 28 

 Cell sap, 212 

 CeUs, living, 211 

 Centigrade degrees, 49 

 Centrifugal force, 174 

 Centripetal force, 174 

 Cerebellum, 246 

 Cerebrum, 246 



Change, chemical, 16 



in nature, 224 



of state, 62 



physical, 16 

 Charged bodies, 200 

 Chemical change, heat and, 30 



elements, table of, 26 

 Chemistry, 2 

 Chloroplasts, 213 

 Cloud, 109 



forms, 110 

 Cohesion, 54 

 Colds, 272 

 Color, absorption of, 162 



blind, 164 



eye and, 164 



reflection of, 162 

 Colors, complimentary, 163 



prismatic, 160 

 Combustion, products of, 74 



spontaneous, 74 

 Comets, 10 

 Compass, 195 



Compounds, chemical, 24, 27 

 Condensation, 106 



forms of, 109 

 Condensers, 202 

 Conduction, 83 

 Conductors of electricity, 202 



of heat, 84 

 Congestion, 265 

 Connective tissue, 240 

 Consciousness, 284 

 Constellations, 7 



motion of, 7 

 Convection and frost, 98 



circuits, 95 



currents, 95 



in liquids, 97 



Cooling by evaporation, 103 

 Cranium, 239 



